Eclipse JGit: Java implementation of Git 5.3.0 Release Review

Features

• Expose the filter blob limit in UploadPack
• 542611 Enable cloning only specific tags
• 543152 SshdSessionFactory: generalize providing default keys
• 543579 Allow to check for signing key
• 382212 Implement signing commits using BouncyCastle
• 382212 Add signing options to commit CLI
• 382212 Allow CommitCommand to sign commits
• RefDatabase/Ref: Add versioning to reference database

Performance Improvements

• 543739 Reduce contention on PackFile.idx() function.
• UploadPack: Read wanted refs in one shot
• Lazily open ReadableChannel in BlockBasedFile.getOrLoadBlock
• Lock DfsBlockCache while loading object references to avoid concurrent index loading
• RefDirectory: Look up several exact refs in one shot

Bug Fixes

• 544199 Fix corruption of packfile list due to concurrent access during GC
• 543739 Reduce contention on accessing packfile index
• 544982 Avoid NPE in ObjectId.isId()
• Fix error log message in ObjectDirectory.handlePackError()
• Properly format pack checksums in PackFile.idx()
• Cancel gc if thread was interrupted
• PackFile: report correct message for checksum mismatch error
• ObjectDirectory: Clean up logging
• ObjectDirectory: extra logging on packfile exceptions
• 544735 CLI diff command: add option metaVar for --src-prefix and --dst-prefix
• ResolveMerger: Destroy TemporaryBuffer on unchecked exceptions
• 544797 On Windows use %APPDATA%\gnupg as GPG directory if it exists
• 511487 RebaseCommand: tighten check for --preserve-merges on --continue
• 511487 RebaseCommand: fix ONTO_NAME, and --preserve-merges is interactive
• 511487 RebaseCommand: use orig-head to abort
• 511487 RebaseCommand: use orig-head in addition to head
• 470643 Fix core.autocrlf for non-normalized index
• Strongly reference indices in DfsPackFile
• 544513 Fix NPE in PlotCommitList
• Fix bug in copyPackBypassCache's skip 'PACK' header logic
• 543956 Atomic file creation: respect that hard-linking may not be allowed
• Fix NotDirectoryException in GC.deleteEmptyRefsFolders
• 542446 RenameBranchCommand: more consistent handling of short ref names
• 543390 Handle premature EOF in BundleFetchConnection
• pgm: Handle exceptions to avoid unnecessary stack traces in command output
• pgm: propagate generic exceptions when throwing Die exception
• dfs: Remove synchronization in BlockBasedFile#LazyChannel
• 530771 Fix "jgit checkout -f" to overwrite dirty worktree files
• Repository: Don't swallow IOException but propagate them instead
• 542845 Apache MINA sshd client: less aggressive key file name caching
• Fix detection of "initial checkout" after cloning
• RefDirectory: Do not use search path to find additional refs
• RefDirectory: Fire RefsChangedEvent on error, too
• UploadPack: Prevent setting null protocolV2Hook

Build and Release Engineering

• Bazel: Stop using native.git_repository
• Update Orbit to R20190226160451
• Update README
• Upgrade error_prone_core to 2.3.3
• Upgrade jacoco-maven-plugin to 0.8.3
• Upgrade Jetty to 9.4.14
• Upgrade maven-jar-plugin to 3.1.1
• Upgrade maven-javadoc-plugin to 3.1.0
• Update org.apache.httpcomponents.httpcore to 4.4.10.v20190123-2214
• Update org.apache.httpcomponents.httpclient.source to 4.5.6.v20190123-2215
• Update org.bouncycastle.bcpg to 1.60.0.v20181210-2057
• Update org.bouncycastle.pkix to 1.60.0.v20181210-2057
• Update org.bouncycastle.prov to 1.60.0.v20181210-2057
• Upgrade orb.eclipse.jdt:ecj to 3.16.0
• Update org.tukaani.xz to 1.8.0.v20180207-1613
• Upgrade plexus-compiler-eclipse to 2.8.5
• Upgrade plexus-compiler-javac-errorprone to 2.8.5
• Upgrade spotbugs to 3.1.11
• Upgrade Tycho to 1.3
• Upgrade wagon-ssh to 3.3.2
• Delete jgit-4.5 target platform
• Add 4.11-staging target platform
• Fix tools/version.sh
• Make TestRepository AutoCloseable
• Change RacyGitTests to create a racy git situation in a stable way
• Capture test coverage and add an aggregate test coverage report
• Enable japicmp for new SSH bundle; update its baseline

Deprecations and Refactorings

• CommitBuilder: Deprecate setEncoding(String)
• Deprecate Repository#hasObject
• Deprecate RawParseUtils.UTF8-CHARSET
• Move BaseReceivePack#advertisedRefs getter and setter to ReceivePack
• Move BaseReceivePack#walk getter to ReceivePack
• Move BaseReceivePack#db getter to ReceivePack
• Move BaseReceivePack#pushCert getter and setter to ReceivePack
• RefDatabase: Introduce findRef synonym for getRef